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TG4001

Phase 1

HPV-Related Carcinoma | Monoclonal antibody | Oncology |Pfizer, Inc.|Last Updated: Feb 5, 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedCONTROLLEDDMC
Total Trials1
Total Enrollment143

FDA Designations

No designations recorded

Clinical trial landscape

TG4001 · 1 trial · 5 indications

Phase 1 1
NCT03260023Phase Ib/II of TG4001 and Avelumab in HPV16 Positive R/M CancersHPV-Related Carcinoma
ACTIVE NOT_RECRUITING143 Analytics
PHASE1ACTIVE NOT_RECRUITING
Phase Ib/II of TG4001 and Avelumab in HPV16 Positive R/M Cancers
HPV-Related CarcinomaUnlock trial analytics

Study Endpoints

Primary Endpoints

Phase Ib: To Evaluate the Safety and Tolerability of the Combination of TG4001 Plus Avelumab in Participants With Recurrent or Metastatic HPV-16 Positive Advanced Malignancies
From Day 1 to Day 28

Dose limiting toxicities (DLTs) includes the following: * Grade ≥ 3 drug related adverse event (AEs). However, fatigue, nausea/vomiting adequately treated with anti-emetics, endocrinopathies adequately controlled with one physiologic hormone replacement, skin toxicity and single laboratory values out of normal range without any clinical correlate, asymptomatic grade ≥3 lipase or amylase elevation, tumor flare defined as local pain, irritation, or rash localized at sites of known or suspected tumor or a transient Grade 3 infusion adverse event are excluded. * Liver function test abnormality: * AST or ALT \> 5 x ULN * Total bilirubin \> 3 x ULN * Concurrent AST or ALT \> 3 x ULN and total bilirubin \> 2 x ULN * Drug related AE requiring treatment interruption for more than 2 weeks

Phase II Part 1: Overall Response Rate (ORR) by RECIST 1.1
From treatment start, every 6 weeks for the first 9 months, then every 12 weeks up to 2 years.

Percentage of participants whose best overall response is either a Complete Response or a Partial Response according to Response Evaluation Criteria In Solid Tumors (RECIST v1.0) criteria over the the total number of evaluable participants. Per Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.0) for target lesions and assessed by CT/MRI: Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), \>=30% decrease in the sum of the longest diameter of target lesions; Overall Response (OR) = CR + PR.", or similar definition that is accurate and appropriate.

Phase II Part 2 Cohort A: Progression Free Survival (PFS) by RECIST 1.1
From randomization: Every 6 weeks for the first 9 months, then every 12 weeks through study completion, for an average of 1 year.

PFS is defined as the time from the date of randomization to the date of first documented tumor progression or death due to any cause, whichever occurs first. If a participant has not had a PFS event at the cut-off date for analysis or at the date when a further antineoplastic therapy (other than those planned as study treatment in the protocol) is started, PFS will be censored at the date of last evaluable tumor assessment before the cut-off or start of further antineoplastic therapy.

Progression Free Survival (PFS) Phase II Part 2 Cohort A by Stratification
From randomization: Every 6 weeks for the first 9 months, then every 12 weeks through study completion, for an average of 1 year.

PFS is defined as the time from the date of randomization to the date of first documented tumor progression or death due to any cause, whichever occurs first. If a participant has not had a PFS event at the cut-off date for analysis or at the date when a further antineoplastic therapy (other than those planned as study treatment in the protocol) is started, PFS will be censored at the date of last evaluable tumor assessment before the cut-off or start of further antineoplastic therapy.

Secondary Endpoints

Overall Response Rate (ORR) by Using RECIST 1.1 : Phase Ib, Phase II Part 2 Cohort A
From treatment start (phase Ib) / randomization (phase II part 2) : Every 6 weeks for the first 9 months, then every 12 weeks up to 2 years.
Progression Free Survival (PFS) (Phase Ib, Phase II Part 1)
From treatment start (phase Ib, phase II part 1): Every 6 weeks for the first 9 months, then every 12 weeks through study completion, for an average of 1 year.
Overall Survival (OS) : Phase Ib, Phase II Part 1, Phase II Part 2 Cohort A
From treatment start : Phase Ib, Phase II part 1 / from randomization: Phase II part 2 Cohort A through study completion, for an average of 4.5 years.
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
TG4001/AvelumabEXPERIMENTAL -
AvelumabEXPERIMENTALApplicable for Phase II part 2.

Interventions

NameTypeDescription
TG4001BIOLOGICALPhIb: Dose escalation PhII: Established RP2D for TG4001
AvelumabDRUGAnti PD-L1
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites20

Inclusion Criteria: * Female or male participants, aged at least 18 years (no upper limit of age) * ECOG PS 0 or 1 * Life expectancy of at least 3 months * Participants with histologically or cytologically documented metastatic or refractory/recurrent HPV-16 + cancer: cervical, vulvar, vaginal, pen...

Countries:United StatesFranceSpain
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Frequently asked questions about TG4001

What is TG4001 used for?

TG4001 is an investigational monoclonal antibody being developed for the treatment of HPV-related carcinoma, including HPV-related cervical, anal, penile, and vulvar squamous cell carcinomas. It is currently in Phase 1 clinical development and has not been approved by regulatory authorities.

What does TG4001 target?

TG4001 is a monoclonal antibody, but its specific molecular target has not been disclosed. It is being studied in combination with avelumab in patients with HPV16-positive recurrent or metastatic cancers, suggesting it may modulate the immune response to HPV-related tumors.

Who makes TG4001?

TG4001 is being developed by Pfizer, Inc., a biopharmaceutical company listed on the New York Stock Exchange under the ticker symbol PFE. The drug is currently in Phase 1 clinical trials for HPV-related carcinomas.

What phase is TG4001 in?

TG4001 is in Phase 1 clinical development. It is being evaluated in a Phase Ib/II trial, but the drug is still investigational and has not received FDA approval. The trial is active but not recruiting participants.

What clinical trials is TG4001 in?

TG4001 is being studied in a single clinical trial with the identifier NCT03260023. This Phase Ib/II trial is evaluating TG4001 in combination with avelumab in patients with HPV16-positive recurrent or metastatic cancers, including cervical, anal, penile, and vulvar carcinomas. The trial is enrolling 143 participants across the United States, France, and Spain.

Is TG4001 the same as avelumab?

No, TG4001 is not the same as avelumab. TG4001 is an investigational monoclonal antibody being developed by Pfizer, while avelumab is a separate checkpoint inhibitor. In the clinical trial NCT03260023, TG4001 is being tested in combination with avelumab to treat HPV-related cancers.